Clasificaciones 2026

Códigos ZIP con más infracciones de la EPA en Idaho — 2026

Última actualización: 4 de junio de 2026

222 códigos postales clasificados por Violations N.º 1: código postal 83316 (Buhl, ID) — 39

Out of 222 ZIP codes with data in Idaho, these are the highest-ranked areas for violations. See also: National ZIP Codes with Most EPA Water Violations | All Idaho Rankings

Statistic Value
ZIP codes ranked 222
Highest value 39
Median value 5
State Idaho

Top 100 Worst ZIP Codes

Rank ZIP Code City State Violations Safety Score
1 83316 Buhl ID 39 77/100
2 83346 Oakley ID 30 78/100
3 83338 Jerome ID 28 82/100
4 83263 Preston ID 25 81/100
5 83638 Mccall ID 21 58/100
6 83639 Marsing ID 21 79/100
7 83541 Lenore ID 20 84/100
8 83647 Mountain Home ID 20 65/100
9 83343 Minidoka ID 18 62/100
10 83701 Boise ID 17 72/100
11 83702 Boise ID 17 69/100
12 83703 Boise ID 17 74/100
13 83704 Boise ID 17 72/100
14 83705 Boise ID 17 72/100
15 83706 Boise ID 17 69/100
16 83707 Boise ID 17 72/100
17 83708 Boise ID 17 72/100
18 83709 Boise ID 17 74/100
19 83711 Boise ID 17 72/100
20 83712 Boise ID 17 74/100
21 83713 Boise ID 17 72/100
22 83715 Boise ID 17 72/100
23 83716 Boise ID 17 55/100
24 83717 Boise ID 17 72/100
25 83719 Boise ID 17 72/100
26 83720 Boise ID 17 72/100
27 83721 Boise ID 17 72/100
28 83722 Boise ID 17 72/100
29 83724 Boise ID 17 72/100
30 83725 Boise ID 17 72/100
31 83726 Boise ID 17 72/100
32 83727 Boise ID 17 72/100
33 83728 Boise ID 17 72/100
34 83729 Boise ID 17 72/100
35 83730 Boise ID 17 72/100
36 83731 Boise ID 17 72/100
37 83732 Boise ID 17 72/100
38 83735 Boise ID 17 72/100
39 83756 Boise ID 17 72/100
40 83757 Boise ID 17 72/100
41 83799 Boise ID 17 72/100
42 83318 Burley ID 16 77/100
43 83876 Worley ID 16 59/100
44 83211 American Falls ID 15 55/100
45 83237 Franklin ID 15 81/100
46 83226 Challis ID 13 51/100
47 83440 Rexburg ID 13 82/100
48 83441 Rexburg ID 13 82/100
49 83460 Rexburg ID 13 82/100
50 83624 Grand View ID 13 79/100
51 83834 Harvard ID 13 41/100
52 83328 Filer ID 12 81/100
53 83535 Juliaetta ID 12 12/100
54 83353 Sun Valley ID 11 64/100
55 83354 Sun Valley ID 11 65/100
56 83401 Idaho Falls ID 11 73/100
57 83402 Idaho Falls ID 11 73/100
58 83403 Idaho Falls ID 11 71/100
59 83404 Idaho Falls ID 11 73/100
60 83405 Idaho Falls ID 11 71/100
61 83406 Idaho Falls ID 11 73/100
62 83415 Idaho Falls ID 11 71/100
63 83525 Elk City ID 11 38/100
64 83633 King Hill ID 11 33/100
65 83655 New Plymouth ID 11 67/100
66 83274 Shelley ID 10 74/100
67 83301 Twin Falls ID 10 69/100
68 83303 Twin Falls ID 10 72/100
69 83442 Rigby ID 10 73/100
70 83467 Salmon ID 10 52/100
71 83520 Ahsahka ID 10 62/100
72 83631 Idaho City ID 10 64/100
73 83336 Heyburn ID 9 78/100
74 83501 Lewiston ID 9 94/100
75 83548 Reubens ID 9 94/100
76 83619 Fruitland ID 9 58/100
77 83870 Tensed ID 9 65/100
78 83605 Caldwell ID 8 65/100
79 83606 Caldwell ID 8 62/100
80 83607 Caldwell ID 8 65/100
81 83629 Horseshoe Bend ID 8 50/100
82 83660 Parma ID 8 69/100
83 83677 Yellow Pine ID 8 52/100
84 83843 Moscow ID 8 64/100
85 83844 Moscow ID 8 65/100
86 83871 Troy ID 8 65/100
87 83427 Iona ID 7 72/100
88 83449 Swan Valley ID 7 75/100
89 83455 Victor ID 7 82/100
90 83522 Cottonwood ID 7 63/100
91 83536 Kamiah ID 7 59/100
92 83546 Pierce ID 7 41/100
93 83610 Cambridge ID 7 88/100
94 83615 Donnelly ID 7 61/100
95 83628 Homedale ID 7 64/100
96 83851 Plummer ID 7 60/100
97 83874 Murray ID 7 59/100
98 83221 Blackfoot ID 6 75/100
99 83228 Clifton ID 6 82/100
100 83271 Rockland ID 6 81/100

Methodology

Violation counts include all types recorded in the EPA SDWIS database: Maximum Contaminant Level (MCL) violations, treatment technique violations, and monitoring/reporting violations. Both resolved and unresolved violations are counted. Higher counts may reflect longer system histories or larger service areas.

Data sources: EPA Safe Drinking Water Information System (SDWIS), FEMA National Flood Insurance Program, EPA radon zone maps, EIA electricity rates, and Consumer Confidence Reports. Last updated: 2026-06-04.

Frequently Asked Questions

What counts as an EPA water violation?

EPA violations include exceeding Maximum Contaminant Levels (MCLs), failing to treat water properly (treatment technique violations), and not testing or reporting on schedule (monitoring violations). Health-based violations are the most serious.

Does a high violation count mean the water is unsafe now?

Not necessarily. Many violations are historical or monitoring-related. However, a pattern of repeated violations indicates systemic issues with water system management or infrastructure.

Explore More Rankings

Cómo se calcula esta clasificación, fuentes de datos y limitaciones: Metodología de clasificaciones →


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Aviso: Las clasificaciones se basan en datos de la EPA, la FEMA y agencias federales. Reflejan patrones históricos e indicadores de riesgo, no necesariamente las condiciones actuales. Para obtener la información más actual, los residentes pueden comunicarse con la compañía local de agua o solicitar un Informe de Confianza del Consumidor (CCR).

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